package cn.lele.reggie.task;


import cn.lele.reggie.entity.Orders;
import cn.lele.reggie.mapper.OrderMapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.List;

/**
 * 定时任务类，定时处理订单状态
 */
@Component
@Slf4j
public class OrderTask {

    @Resource
    private OrderMapper orderMapper;

    /**
     * 处理超时订单的方法
     */
    @Scheduled(cron = "0 * * * * ? ") //每分钟触发一次
    public void processTimeoutOrder(){
        log.info("定时处理超时订单：{}", LocalDateTime.now());

        LocalDateTime time = LocalDateTime.now().plusMinutes(-15);

        // select * from orders where status = ? and order_time < (当前时间 - 15分钟)
        LambdaQueryWrapper<Orders> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Orders::getStatus,1);//待付款
        wrapper.lt(Orders::getOrderTime,time);
        List<Orders> ordersList = orderMapper.selectList(wrapper);

        if(ordersList != null && ordersList.size() > 0){
            for (Orders orders : ordersList) {
                orders.setStatus(5);
                orderMapper.updateById(orders);
            }
        }
    }

    /**
     * 处理一直处于派送中状态的订单
     */
    @Scheduled(cron = "0 0 1 * * ?") //每天凌晨1点触发一次
    public void processDeliveryOrder(){
        log.info("定时处理处于派送中的订单：{}",LocalDateTime.now());

        LocalDateTime time = LocalDateTime.now().plusMinutes(-60);
        LambdaQueryWrapper<Orders> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Orders::getStatus,3);//已经派送
        wrapper.lt(Orders::getCheckoutTime,time);
        List<Orders> ordersList = orderMapper.selectList(wrapper);

        if(ordersList != null && ordersList.size() > 0){
            for (Orders orders : ordersList) {
                orders.setStatus(4);//订单已完成
                orderMapper.updateById(orders);
            }
        }
    }
}
